tabs = new Array();
tabs[0] = "marco";
tabs[1] = "chock";
tabs[2] = "sego";

function view_tab(tab){
	
	for(i=0; i<tabs.length; i++){
		if(tab == tabs[i]){
			document.getElementById(tabs[i]).style.display = "block";
			document.getElementById(tabs[i] + "_img").src = "images/tab_" + tabs[i] + "_sel.gif";
		} else {
		 	document.getElementById(tabs[i]).style.display = "none";
			document.getElementById(tabs[i] + "_img").src = "images/tab_" + tabs[i] + ".gif";
		}
	}
	return false;
}